#key_points Diseases - Causative agent 1. Gonorrhea - Neisseria gonorrhoeae (bacteria) 2. Syphilis - Treponema pallidum (spirochete bacterium) 3. Genital herpes - Herpes simplex virus (HSV) 4. Genital warts, cervical cancer - Human Papilloma virus (HPV) 5.Trichomoniasis - Trichomonas vaginalis (a protozoan parasite) 6. Chlamydiasis - Chlamydia trachomatis (bacteria) 7. Hepatitis - B - HBV 8. HIV infection / AIDS - HIV (Human immuno deficiency virus)